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Segmented information (Tables) | 12 Months Ended
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Dec. 31, 2021
Segment Reporting [Abstract] |
Schedule of Results of Operations and Assets for Segments |
| Year ended December 31, 2021
| Regulated Services Group |  | Renewable Energy Group |  | Corporate |  | Total
Revenue (1)(2) | $ | 1,944,171 |  |  | $ | 267,970 |  |  | $ | — |  |  | $ | 2,212,141 |
Other revenue | 53,441 |  |  | 18,339 |  |  | 1,558 |  |  | 73,338 |
Fuel, power and water purchased | 682,602 |  |  | 36,498 |  |  | — |  |  | 719,100 |
Net revenue | 1,315,010 |  |  | 249,811 |  |  | 1,558 |  |  | 1,566,379 |
Operating expenses | 597,850 |  |  | 104,262 |  |  | 16 |  |  | 702,128 |
Administrative expenses | 37,179 |  |  | 28,298 |  |  | 1,249 |  |  | 66,726 |
Depreciation and amortization | 280,452 |  |  | 121,414 |  |  | 1,097 |  |  | 402,963 |
Loss on foreign exchange | — |  |  | — |  |  | 4,371 |  |  | 4,371 |
Gain on sale of renewable assets | — |  |  | (29,063) |  |  | — |  |  | (29,063) |
Operating income | 399,529 |  |  | 24,900 |  |  | (5,175) |  |  | 419,254 |
Interest expense | (93,411) |  |  | (71,598) |  |  | (44,545) |  |  | (209,554) |
Income (loss) from long-term investments | 18,306 |  |  | 84,046 |  |  | (128,809) |  |  | (26,457) |
Other | (24,177) |  |  | (9,108) |  |  | (7,726) |  |  | (41,011) |
Earnings (loss) before income taxes | $ | 300,247 |  |  | $ | 28,240 |  |  | $ | (186,255) |  |  | $ | 142,232 |
Property, plant and equipment | $ | 7,394,151 |  |  | $ | 3,615,915 |  |  | $ | 32,380 |  |  | $ | 11,042,446 |
Investments carried at fair value | 2,296 |  |  | 1,846,160 |  |  | — |  |  | 1,848,456 |
Equity-method investees | 37,492 |  |  | 375,460 |  |  | 20,898 |  |  | 433,850 |
Total assets | 10,512,799 |  |  | 6,123,888 |  |  | 149,149 |  |  | 16,785,836 |
Capital expenditures | $ | 998,855 |  |  | $ | 338,637 |  |  | $ | 7,553 |  |  | $ | 1,345,045 |
(1) Renewable Energy Group revenue includes $57,018 related to net hedging loss from energy derivative contracts and availability credits for the year ended December 31, 2021 that do not represent revenue recognized from contracts with customers. (2) Regulated Services Group revenue includes $19,043 related to alternative revenue programs for the year ended December 31, 2021 that do not represent revenue recognized from contracts with customers. 21.Segmented information (continued)
| Year ended December 31, 2020
| Regulated Services Group |  | Renewable Energy Group |  | Corporate |  | Total
Revenue (1)(2) | $ | 1,386,048 |  |  | $ | 255,954 |  |  | $ | — |  |  | $ | 1,642,002 |
Other revenue | 19,088 |  |  | 14,444 |  |  | 1,457 |  |  | 34,989 |
Fuel and power purchased | 384,363 |  |  | 16,645 |  |  | — |  |  | 401,008 |
Net revenue | 1,020,773 |  |  | 253,753 |  |  | 1,457 |  |  | 1,275,983 |
Operating expenses | 442,851 |  |  | 73,957 |  |  | 12 |  |  | 516,820 |
Administrative expenses | 36,749 |  |  | 25,743 |  |  | 630 |  |  | 63,122 |
Depreciation and amortization | 219,089 |  |  | 92,890 |  |  | 2,144 |  |  | 314,123 |
Gain on foreign exchange | — |  |  | — |  |  | (2,108) |  |  | (2,108) |
Operating income | 322,084 |  |  | 61,163 |  |  | 779 |  |  | 384,026 |
Interest expense | (99,161) |  |  | (52,656) |  |  | (30,117) |  |  | (181,934) |
Income from long-term investments | 7,753 |  |  | 93,998 |  |  | 562,987 |  |  | 664,738 |
Other | (40,128) |  |  | (6,537) |  |  | (27,754) |  |  | (74,419) |
Earnings before income taxes | $ | 190,548 |  |  | $ | 95,968 |  |  | $ | 505,895 |  |  | $ | 792,411 |
Property, plant and equipment | $ | 5,757,532 |  |  | $ | 2,451,706 |  |  | $ | 32,600 |  |  | $ | 8,241,838 |
Investments carried at fair value | — |  |  | 1,839,212 |  |  | — |  |  | 1,839,212 |
Equity-method investees | 74,673 |  |  | 110,414 |  |  | 1,365 |  |  | 186,452 |
Total assets | 8,528,415 |  |  | 4,586,878 |  |  | 108,856 |  |  | 13,224,149 |
Capital expenditures | $ | 690,792 |  |  | $ | 80,746 |  |  | $ | 14,492 |  |  | $ | 786,030 |
(1) Renewable Energy Group revenue includes $28,586 related to net hedging gain from energy derivative contracts for the year ended December 31, 2020 that do not represent revenue recognized from contracts with customers. (2) Regulated Services Group revenue includes $24,928 related to alternative revenue programs for the year ended December 31, 2020 that do not represent revenue recognized from contracts with customers.
Schedule of Information on Operations by Geographic Area | Information on operations by geographic area is as follows:
|  |  |  |  | 2021 |  | 2020
Revenue |  |  |  |  |  |  |
United States |  |  |  |  | $ | 1,801,876 |  |  | $ | 1,475,087 |
Canada |  |  |  |  | 157,854 |  |  | 153,502 |
Other regions |  |  |  |  | 325,749 |  |  | 48,402 |
|  |  |  |  | $ | 2,285,479 |  |  | $ | 1,676,991 |
Property, plant and equipment |  |  |  |  |  |  |
United States |  |  |  |  | $ | 9,464,716 |  |  | $ | 6,666,015 |
Canada |  |  |  |  | 882,454 |  |  | 884,195 |
Other regions |  |  |  |  | 695,276 |  |  | 691,628 |
|  |  |  |  | $ | 11,042,446 |  |  | $ | 8,241,838 |
Intangible assets |  |  |  |  |  |  |
United States |  |  |  |  | $ | 23,575 |  |  | $ | 24,825 |
Canada |  |  |  |  | 21,780 |  |  | 23,123 |
Other regions |  |  |  |  | 59,761 |  |  | 66,965 |
|  |  |  |  | $ | 105,116 |  |  | $ | 114,913 |

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- Definition Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599 + Details
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